Breeder reactor has a conversion ratio of_____________________?

A. Unity
B. More than unity
C. Less than unity
D. Zero

Fast breeder reactor uses___________________?

A. Boiler
B. Direct cycle of coolant system
C. Double circuit system of coolant cycle
D. Multi pass system

Which of the following nuclear reactor does not need a heat exchanger for generation of steam____________________?

A. Gas cooled
B. Liquid metal cooled
C. Pressurised water
D. Boiling water

The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?

A. Same
B. More
C. Less
D. May be less or mote depending on size

Isotopes of same elements have___________________?

A. Same atomic number and different masses
B. Same chemical properties but different atomic numbers
C. Different masses and different atomic numbers
D. Different chemical properties and same atomic numbers

Amongst the following, the fissionable materials are________________?

A. U233andpu239
B. U23iandpu233
C. U235andpu235
D. U238andpu239

The nuclear energy is measured as__________________?

A. Mev
B. Curie
C. Farads
D. Mw

Moderator in nuclear plants is used to__________________?

A. Reduce temperature
B. Extract heat from nuclear reaction
C. Control the reaction
D. Cause collision with the fast moving neutrons to reduce their speed

The most commonly used moderator in nuclear plants is___________________?

A. heavy water
B. concrete and bricks
C. graphite and concrete
D. deutrium

The main interest of shielding in nuclear reactor is protection against_______________?

A. X-rays
B. Infra-red rays
C. A, p, and y rays
D. Neutrons and gamma rays